1960- Construction begins on the Aswan Dam in Egypt across the Nile River.
https://youtu.be/tlCjoJjWxbw
https://youtu.be/oTMAHX4cuvY
https://youtu.be/Al9TdTFHJjk
https://youtu.be/VHDyqenGsOU
1825- The American who popularized the concept of interchangeable parts, Eli Whitney, was born.
https://youtu.be/CDqtMXWbqis
https://youtu.be/xRqeEm7AKto
https://youtu.be/_UvtNbOp2Zs
https://youtu.be/rxcOHtUmD-M